I've been making Jerky for 14+ years and never used an oven. I've had terrific luck using (cheap) dehydrators found at Amazon, Target, etc. I had a cheap, ghetto, circular one for the last 8 years that made amazing jerky. Point being: You don't need much horsepower, time or money to make a darn tasty batch. You just need some decent hardware that will give you some consistent heat.
With the right rig, making jerky is as simple as making a ham sandwich.
Good luck and let us know how it works out,
~G~